QodeAssist/ChatView/ChatSerializer.cpp
2025-04-04 18:01:02 +02:00

143 lines
4.1 KiB
C++

/*
* Copyright (C) 2024-2025 Petr Mironychev
*
* This file is part of QodeAssist.
*
* QodeAssist is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* QodeAssist is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
*/
#include "ChatSerializer.hpp"
#include "Logger.hpp"
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QJsonDocument>
namespace QodeAssist::Chat {
const QString ChatSerializer::VERSION = "0.1";
SerializationResult ChatSerializer::saveToFile(const ChatModel *model, const QString &filePath)
{
if (!ensureDirectoryExists(filePath)) {
return {false, "Failed to create directory structure"};
}
QFile file(filePath);
if (!file.open(QIODevice::WriteOnly)) {
return {false, QString("Failed to open file for writing: %1").arg(filePath)};
}
QJsonObject root = serializeChat(model);
QJsonDocument doc(root);
if (file.write(doc.toJson(QJsonDocument::Indented)) == -1) {
return {false, QString("Failed to write to file: %1").arg(file.errorString())};
}
return {true, QString()};
}
SerializationResult ChatSerializer::loadFromFile(ChatModel *model, const QString &filePath)
{
QFile file(filePath);
if (!file.open(QIODevice::ReadOnly)) {
return {false, QString("Failed to open file for reading: %1").arg(filePath)};
}
QJsonParseError error;
QJsonDocument doc = QJsonDocument::fromJson(file.readAll(), &error);
if (error.error != QJsonParseError::NoError) {
return {false, QString("JSON parse error: %1").arg(error.errorString())};
}
QJsonObject root = doc.object();
QString version = root["version"].toString();
if (!validateVersion(version)) {
return {false, QString("Unsupported version: %1").arg(version)};
}
if (!deserializeChat(model, root)) {
return {false, "Failed to deserialize chat data"};
}
return {true, QString()};
}
QJsonObject ChatSerializer::serializeMessage(const ChatModel::Message &message)
{
QJsonObject messageObj;
messageObj["role"] = static_cast<int>(message.role);
messageObj["content"] = message.content;
messageObj["id"] = message.id;
return messageObj;
}
ChatModel::Message ChatSerializer::deserializeMessage(const QJsonObject &json)
{
ChatModel::Message message;
message.role = static_cast<ChatModel::ChatRole>(json["role"].toInt());
message.content = json["content"].toString();
message.id = json["id"].toString();
return message;
}
QJsonObject ChatSerializer::serializeChat(const ChatModel *model)
{
QJsonArray messagesArray;
for (const auto &message : model->getChatHistory()) {
messagesArray.append(serializeMessage(message));
}
QJsonObject root;
root["version"] = VERSION;
root["messages"] = messagesArray;
return root;
}
bool ChatSerializer::deserializeChat(ChatModel *model, const QJsonObject &json)
{
QJsonArray messagesArray = json["messages"].toArray();
QVector<ChatModel::Message> messages;
messages.reserve(messagesArray.size());
for (const auto &messageValue : messagesArray) {
messages.append(deserializeMessage(messageValue.toObject()));
}
model->clear();
for (const auto &message : messages) {
model->addMessage(message.content, message.role, message.id);
}
return true;
}
bool ChatSerializer::ensureDirectoryExists(const QString &filePath)
{
QFileInfo fileInfo(filePath);
QDir dir = fileInfo.dir();
return dir.exists() || dir.mkpath(".");
}
bool ChatSerializer::validateVersion(const QString &version)
{
return version == VERSION;
}
} // namespace QodeAssist::Chat